Home / 344,156,985.60-516,235,478.40-306,533,587.20

Finding the Fourth Proportional to 344,156,985.60, 516,235,478.40 and 306,533,587.20

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Solution

The fourth proportional to 344,156,985.60, 516,235,478.40 and 306,533,587.20 is: 459,800,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,156,985.60 : 516,235,478.40 = 306,533,587.20 : x
  2. Step 2: Convert to fraction form
    344,156,985.60/516,235,478.40 = 306,533,587.20/x
  3. Step 3: Cross multiply
    344,156,985.60x = 516,235,478.40 × 306,533,587.20
  4. Step 4: Simplify right side
    344,156,985.60x = 158,243,513,033,860,096
  5. Step 5: Solve for x
    x = 158,243,513,033,860,096/344,156,985.60
  6. Step 6: Final answer
    x = 459,800,380.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.